; COMMAND-LINE: --strings-exp --strings-fmf ; EXPECT: unsat (set-logic ALL) (set-info :status unsat) (declare-fun x () String) (declare-fun y () String) (declare-fun z () String) (declare-fun w () String) (assert (= x (str.rev y))) (assert (= y (str.rev z))) (assert (distinct x z w)) (assert (< (str.len x) 2)) (check-sat)